It appears that Kim Kardashian didn’t get the memo. On Sunday (October 30th), The Kardashians star posted a selfie of herself with Black-ish star Tracee Ellis Ross to her Instagram stories, writing, “That time I showed up to a birthday dinner in full costume when it wasn’t a costume party!” Kardashian mistakenly donned her Mystique costume to the birthday dinner.

“Happy Birthday to the most beautiful kind soul @traceellisross,” she added.

On Saturday (October 29th), Ross posted a montage of photos and videos of herself throughout the years. The audio that accompanied the compilation is from a recent interview she did with Today.

In response to how she felt about turning 50, Ross said, “I'm very excited about it. I have always loved getting older.”

She added, “If you had told me in my twenties, in my teens, that I was going to be somebody that actually could do scary things, that I could be comfortable even when I was uncomfortable, that I could live life on life's terms, that I could intuitively handle situations which used to baffle me, that I had an unbreakable, unshakeable foundation for life underneath me, I would have said there's no way because I was scared and I was uncomfortable in my skin, and all of these things …”